Resleeved Turn-key Engine Packages. First, you need a longer bolt, M-16 by 120mm long, which you may be able to pick up locally. For people tired of the M96 or want their 996 to outrun a few more cars in a straight line, the LS swap is appealing. Before we complete the engine assembly, we wanted to make sure the valves have proper piston-to-valve clearance. LS3 and later Gen IV LS family offerings would easily surpass our HP goals, but they still bring a rather hefty price tag from the salvage yard. Imagine all the time you won't  spend driving around looking for the right bolts, washers, gaskets, hoses and more. Once we had the block back, it was cleaned again, masked and painted. If you do need to adjust thrust, the center bearing contains the thrust surface. As the ultimate goal of this engine is to replace a long-in-tooth LS1 that currently powers a track-oriented Chevy S10 pickup, we needed a few more items to complete the swap. Car engines include 5.3L, 5.7L, 6.0L, 6.2L and 7.0L displacements, including some configured for front-wheel drive. Expensive equipment is necessary to allow machinists to hold the tight tolerances needed for a durable engine, and a good shop will … or Best Offer. The dampener should snug up, and ours only required about 185 lb-ft. Mike Downs, General Manager of Trick Flow Specialties, was showing off all the company’s ‘trick’ new equipment on the midway at Summit Motorsports Park one weekend and Trick Flow had just released its Gen X 255 LS cylinder heads and supporting camshaft/manifold combinations. Having purchased the engine and its accessories, we had some parts that we weren’t going to use. Each engine features our patented 5 Wire Plug and Play Harness that includes a state-of-the-art Delphi ECM with Turn Key precision engineered calibration. Cylinder Head Bolts (First Pass all M11 Bolts in Sequence) 22 lb-ft GM LS 5.7/6.2. The result is easy installation matched with incredible performance. We’ve seen plenty of internet heroes making big power and clocking quick ETs with “stock” bottom ends, but if you don’t give your junkyard gem a health inspection, you could be on borrowed time. A Meziere electric water pump (WP319) would free up additional horsepower over a stock pump; a bulletproof Meziere TS300 starter was ordered for its diminuative size and clock-able architecture that is perfect for tight clearance swap situations; and a Meziere billet SFI flex plate would connect the engine to the automatic transmission. We took the engine to Ed Grisez’s Automotive and Marine in Vermilion, Ohio, as Ed was kind enough to let your author use his shop and assist him with years of engine building experience at the ready. Cylinder Head Bolts (M8 Inner Bolts in Sequence) 22 lb-ft. Yep, getting an LS engine in your car is no inexpensive endeavor. These are specific to your bore size, but will immensely help you install each assembly squarely and quickly. If this is your first time tackling this sort of endeavor, taking lots of pictures can be a great resource when trying to remember what went where during reassembly. About LSx Engines. LSx Turn-Key Engine Packages. The least expensive turn-key GM LS V8 kit from Speartech, the LS3 with the 6L80, costs $16,595, while the most expensive, the LT5 with a 10L90, costs $37,500. Simply order the correct size range of Plastigage (Plastigage comes in many measurements ranges as an example from .002 – .006, .001 – .003, etc.). Now it’s time to reinstall our cylinder heads and to do that, just follow the procedure we previously discussed and be sure to use the new fasteners. Use your long 120mm bolt to get the harmonic balancer started and install the balancer to where it’s about an inch from the block, being careful not to bottom out the long bolt. Additional tips for this process include 1., remember to make sure your ring is square in the grinding machine, 2., clean your rings well with a red scotch bright and degreaser BEFORE you gap the rings, 3., after you have the end ring gap correct, make sure that you chamfer where you have ground the ring making sure you remove all sharp edges. Additionally, make sure you use a small amount of assembly lube on the rod bearings. Make sure the valve pockets are in proper alignment, and the piston indicator is to the front of the engine. In true DIY fashion we used a good ole torque wrench, a liberal amount of ARP lubricant on the bolt threads, and 30 foot-pounds of torque to secure the rod bolts. I have tuned several combos, but this one worked very well, has great drivability, does not have the bucking and crazy hard-to-tune rough idle, yet still has a very aggressive sound.”. “It made 461 hp to the tires on a conservative tune and RPM,” noted Chuck. If you are looking for a LS-series engine to build, the Vortec-series 5.3L is arguably the best choice for the dollar. On the two upper rings, there is almost always a mark on the ring and usually always facing the cylinder head, so pay attention to that. The main cap bolts were reinstalled and torqued to the required specifications. Copyright 2021 Turn Key Engine Supply. Thus began the journey to show you how a do-it-yourselfer can home brew big horsepower in his/her shop or garage. From this point, the rest of this story is installing the motor in the S-10 and putting it on a chassis dyno to see where the new powerplant lands in the realm of real horsepower. Throw on a set of welding or heavy gloves and head to the kitchen to grab your now hot, and thus expanded, harmonic balancer. As a quick note, do not forget to install the timing chain dampener. The range of production engines from the LS platform is wide. Used Chevrolet engines definitely prolong the life of the vehicle at a lower cost. The LS 376/525 crate engine was developed for the high-rpm world of Circle Track racing - see race engine images, dyno specs, installation info and more. A dial indicator showed that end thrust was at .0025, and that is on the tight side, but is acceptable. There is no proper place to put your end gaps if your engine is honed correctly—as soon as you start the engine, your rings will rotate around the piston as part of normal operation. All of these problems will take a toll on your time, patience, as well as your bank account. But make sure you get out your calculator to tally up what swapping in a new LS will really cost. Why an LQ9? The result is easy installation matched with incredible performance. Your author has put a few hundred miles on it and it’s a very fun truck to drive. As you install each ring make sure you apply a liberal amount of whatever break in oil you are planning to use on the upper and lower surfaces of the ring, wipe off excess oil as you install. There are several ways to install harmonic dampener and the best method is to use a dampener installation kit, but we opted for the DIY non-install kit route, and no, we’re not using a hammer. Clevite Plastigage is a simple way of checking clearances. Ed Grisez Automotive and Marine completed the initial motor install and mated the engine to the 4L60E transmission. A couple quick break in and test pulls and then it was time to let it eat. The high compression (10.0 to 1) LQ9 version of this motor was finally selected. For this build, Mahle recommended .016-inch on the top ring and .021-inch on the second ring. Possibly in the next evolution of this DIY, low-buck S-10, we may install a Turbo 400 or a 480LE, and an efficient converter with a correct amount of stall. To do this, we’ll wipe a bit of oil on top of the piston we’ll be checking, and then stick a ½-inch-wide strip of modeling clay about .125-inch thick across the piston where the base of the valve would be closest to the valve pockets. 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